Pulmonary hypertension is controlled with four doses of Viagra a day which improves his blood flow.Viagra, more famous for treating erectile function is used in rare cases to open the veins and capillaries to help circulation.His mother Sarah, a part-time nurse, says while Viagra is an expensive drug but it remains one of the cheapest for treating pulmonary hypertension.Pulmonary hypertension causes the blood pressure in the arteries in the lungs to rise, straining the heart and reducing blood oxygen levels, causing breathlessness and exhaustion.Symptoms include severe coughing and breathing problems as blood fills the lungs, constant nose bleeds, dizziness and chest pains.The condition is very rare in children and survival rate is around five years, even with medication.Because he gets out breath quickly Oliver only walks for a few steps each day.Current dose of one tablet of Sildenafil crushed into four 5ml doses a day can be increased when his condition worsens, but it is unclear for how long the drugs will be effective.Impending cuts in health expenditure raise fears his treatment may be affected along with the worry that he will need to switch to more expensive treatments called Epoprostenol and Iloprost to control his condition as he grows, which may not be funded by the Health Service.The Government's drug rationing agency, the National Institute for Health and Clinical Excellence, is considering whether to continue prescribing the drugs and Oliver's mother has started a petition calling for the Health Service to keep funding the treatments.A spokesman for NICE says the evidence suggests that Sildenafil is both clinically effective and cost-effective in treating pulmonary arterial hypertension.Like to for our weekly ?The end of each week we'll send you an email containing links to the most popular articles (by page impression) from your chosen categories that appeared on News-Medical.That week.Will NOT be bombarded with advertising and you CAN unsubscribe at any time.More information or click here to view our .News-Medical.The worthy medical information: .Health News Disease/Infection News Devices/Technology News Healthcare News Medical Conditions Medical Procedures Medical Patent News Medical Research News Men's Health News Medical Science News Miscellaneous News Pharmaceutical News Medical Studies/Trials Women's Health News < Jump to News-Medical.This medical news service in accordance with these .Please note that medical information found on this website is designed to support, not to replace the relationship between patient and physician/doctor and the medical advice they may provide.Read more [enzyme catalysis and regulation] the violacein biosynthetic enzyme vioe shares a fold with lipoprotein transporter proteins
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